root/dev/pci/if_em_osdep.h

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    1 /**************************************************************************
    2 
    3 Copyright (c) 2001-2006, Intel Corporation
    4 All rights reserved.
    5 
    6 Redistribution and use in source and binary forms, with or without
    7 modification, are permitted provided that the following conditions are met:
    8 
    9  1. Redistributions of source code must retain the above copyright notice,
   10     this list of conditions and the following disclaimer.
   11 
   12  2. Redistributions in binary form must reproduce the above copyright
   13     notice, this list of conditions and the following disclaimer in the
   14     documentation and/or other materials provided with the distribution.
   15 
   16  3. Neither the name of the Intel Corporation nor the names of its
   17     contributors may be used to endorse or promote products derived from
   18     this software without specific prior written permission.
   19 
   20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   30 POSSIBILITY OF SUCH DAMAGE.
   31 
   32 ***************************************************************************/
   33 
   34 /* $OpenBSD: if_em_osdep.h,v 1.10 2006/11/06 03:52:37 brad Exp $ */
   35 /* $FreeBSD: if_em_osdep.h,v 1.11 2003/05/02 21:17:08 pdeuskar Exp $ */
   36 
   37 #ifndef _EM_OPENBSD_OS_H_
   38 #define _EM_OPENBSD_OS_H_
   39 
   40 /* The happy-fun DELAY macro is defined in /usr/src/sys/i386/include/clock.h */
   41 #define usec_delay(x)           DELAY(x)
   42 #define msec_delay(x)           DELAY(1000*(x))
   43 /* TODO: Should we be paranoid about delaying in interrupt context? */
   44 #define msec_delay_irq(x)       DELAY(1000*(x))
   45 
   46 #define MSGOUT(S, A, B)         printf(S "\n", A, B)
   47 #define DEBUGFUNC(F)            DEBUGOUT(F);
   48 #ifdef DBG
   49         #define DEBUGOUT(S)                     printf(S "\n")
   50         #define DEBUGOUT1(S,A)                  printf(S "\n",A)
   51         #define DEBUGOUT2(S,A,B)                printf(S "\n",A,B)
   52         #define DEBUGOUT3(S,A,B,C)              printf(S "\n",A,B,C)
   53         #define DEBUGOUT7(S,A,B,C,D,E,F,G)      printf(S "\n",A,B,C,D,E,F,G)
   54 #else
   55         #define DEBUGOUT(S)
   56         #define DEBUGOUT1(S,A)
   57         #define DEBUGOUT2(S,A,B)
   58         #define DEBUGOUT3(S,A,B,C)
   59         #define DEBUGOUT7(S,A,B,C,D,E,F,G)
   60 #endif
   61 
   62 #define CMD_MEM_WRT_INVALIDATE          0x0010  /* BIT_4 */
   63 
   64 struct em_osdep
   65 {
   66         bus_space_tag_t         mem_bus_space_tag;
   67         bus_space_handle_t      mem_bus_space_handle;
   68         bus_space_tag_t         io_bus_space_tag;
   69         bus_space_handle_t      io_bus_space_handle;
   70         bus_space_tag_t         flash_bus_space_tag;
   71         bus_space_handle_t      flash_bus_space_handle;
   72         struct device           *dev;
   73 
   74         struct pci_attach_args  em_pa;
   75 
   76         bus_size_t              em_memsize;
   77         bus_addr_t              em_membase;
   78         bus_size_t              em_iosize;
   79         bus_addr_t              em_iobase;
   80         bus_size_t              em_flashsize;
   81         bus_addr_t              em_flashbase;
   82 };
   83 
   84 #define E1000_WRITE_FLUSH(hw)   E1000_READ_REG(hw, STATUS)
   85 
   86 /* Read from an absolute offset in the adapter's memory space */
   87 #define E1000_READ_OFFSET(hw, offset) \
   88         bus_space_read_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
   89                          ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
   90                           offset)
   91 
   92 /* Write to an absolute offset in the adapter's memory space */
   93 #define E1000_WRITE_OFFSET(hw, offset, value) \
   94         bus_space_write_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
   95                           ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
   96                            offset, value)
   97 
   98 /* Convert a register name to its offset in the adapter's memory space */
   99 #define E1000_REG_OFFSET(hw, reg) \
  100         ((hw)->mac_type >= em_82543 ? E1000_##reg : E1000_82542_##reg)
  101 
  102 /* Register READ/WRITE macros */
  103 
  104 #define E1000_READ_REG(hw, reg) \
  105         bus_space_read_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
  106                          ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
  107                           ((hw)->mac_type >= em_82543 ? E1000_##reg : E1000_82542_##reg))
  108 
  109 #define E1000_WRITE_REG(hw, reg, value) \
  110         bus_space_write_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
  111                           ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
  112                            ((hw)->mac_type >= em_82543 ? E1000_##reg : E1000_82542_##reg), \
  113                            value)
  114 
  115 #define E1000_READ_REG_ARRAY(hw, reg, index) \
  116         bus_space_read_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
  117                          ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
  118                           ((hw)->mac_type >= em_82543 ? E1000_##reg : E1000_82542_##reg) \
  119                           + ((index) << 2))
  120 
  121 #define E1000_WRITE_REG_ARRAY(hw, reg, index, value) \
  122         bus_space_write_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
  123                           ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
  124                            ((hw)->mac_type >= em_82543 ? E1000_##reg : E1000_82542_##reg) \
  125                            + ((index) << 2), value)
  126 
  127 #define E1000_READ_REG_ARRAY_DWORD E1000_READ_REG_ARRAY
  128 #define E1000_WRITE_REG_ARRAY_DWORD E1000_WRITE_REG_ARRAY
  129 
  130 #define E1000_WRITE_REG_ARRAY_BYTE(hw, reg, index, value) \
  131         bus_space_write_1(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
  132                           ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
  133                            ((hw)->mac_type >= em_82543 ? E1000_##reg : E1000_82542_##reg \
  134                            + index), value)
  135 
  136 #define E1000_WRITE_REG_ARRAY_WORD(hw, reg, index, value) \
  137         bus_space_write_2(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
  138                           ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
  139                            ((hw)->mac_type >= em_82543 ? E1000_##reg : E1000_82542_##reg \
  140                            + (index << 1)), value)
  141 
  142 #define E1000_READ_ICH_FLASH_REG(hw, reg) \
  143         bus_space_read_4(((struct em_osdep *)(hw)->back)->flash_bus_space_tag, \
  144                          ((struct em_osdep *)(hw)->back)->flash_bus_space_handle, reg)
  145 
  146 #define E1000_READ_ICH_FLASH_REG16(hw, reg) \
  147         bus_space_read_2(((struct em_osdep *)(hw)->back)->flash_bus_space_tag, \
  148                          ((struct em_osdep *)(hw)->back)->flash_bus_space_handle, reg)
  149 
  150 #define E1000_WRITE_ICH_FLASH_REG(hw, reg, value) \
  151         bus_space_write_4(((struct em_osdep *)(hw)->back)->flash_bus_space_tag, \
  152                           ((struct em_osdep *)(hw)->back)->flash_bus_space_handle, \
  153                            reg, value)
  154 
  155 #define E1000_WRITE_ICH_FLASH_REG16(hw, reg, value) \
  156         bus_space_write_2(((struct em_osdep *)(hw)->back)->flash_bus_space_tag, \
  157                           ((struct em_osdep *)(hw)->back)->flash_bus_space_handle, \
  158                            reg, value)
  159 
  160 #define em_io_read(hw, port) \
  161         bus_space_read_4(((struct em_osdep *)(hw)->back)->io_bus_space_tag, \
  162                          ((struct em_osdep *)(hw)->back)->io_bus_space_handle, (port))
  163 
  164 #define em_io_write(hw, port, value) \
  165         bus_space_write_4(((struct em_osdep *)(hw)->back)->io_bus_space_tag, \
  166                           ((struct em_osdep *)(hw)->back)->io_bus_space_handle, \
  167                            (port), (value))
  168 
  169 #ifdef DEBUG
  170 #define EM_KASSERT(exp,msg)     do { if (!(exp)) panic msg; } while (0)
  171 #else
  172 #define EM_KASSERT(exp,msg)
  173 #endif
  174 
  175 #endif  /* _EM_OPENBSD_OS_H_ */

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